Patents by Inventor John Folts Busch

John Folts Busch has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Porous sintered abrasive articles and method of manufacture
    Patent number: 4086067
    Abstract: Improved abrasive articles and methods for manufacturing such articles are disclosed. The articles include porous abrasive grains and abrasive wheels formed from such porous abrasive grains. Non-porous grains are formed from a mixture of abrasive material and burn-out material. Porous grains are formed then by removal of burn-out material when the non-porous grains are fired to form sintered porous abrasive grains. Grinding wheels and the like are then formed from the sintered porous abrasive grains.
    Type: Grant
    Filed: March 29, 1976
    Date of Patent: April 25, 1978
    Assignee: International Telephone and Telegraph Corporation
    Inventors: John Folts Busch, Stephen Morrison Freeman